GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Amortization Expense (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	$ 159	$ 155
Other intangible assets, excluding software
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	159	155
Software, included in “Cost of sales”
Finite-Lived Intangible Assets [Line Items]
Amortization of intangibles	$ 23	$ 20